DE3873414D1 - SCREW CONNECTION FOR DRILL RODS. - Google Patents

SCREW CONNECTION FOR DRILL RODS.

Info

Publication number
DE3873414D1
DE3873414D1 DE8888870086T DE3873414T DE3873414D1 DE 3873414 D1 DE3873414 D1 DE 3873414D1 DE 8888870086 T DE8888870086 T DE 8888870086T DE 3873414 T DE3873414 T DE 3873414T DE 3873414 D1 DE3873414 D1 DE 3873414D1
Authority
DE
Germany
Prior art keywords
screw connection
drill rods
drill
rods
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8888870086T
Other languages
German (de)
Other versions
DE3873414T2 (en
Inventor
Charles Pierre Hallez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Diamant Boart Stratabit SA
Original Assignee
Diamant Boart Stratabit SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from BE8700512A external-priority patent/BE1000525A3/en
Priority claimed from BE8700513A external-priority patent/BE1000526A3/en
Application filed by Diamant Boart Stratabit SA filed Critical Diamant Boart Stratabit SA
Application granted granted Critical
Publication of DE3873414D1 publication Critical patent/DE3873414D1/en
Publication of DE3873414T2 publication Critical patent/DE3873414T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/06—Screw-threaded joints; Forms of screw-threads for such joints characterised by the shape of the screw-thread
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
DE8888870086T 1987-05-12 1988-05-11 SCREW CONNECTION FOR DRILL RODS. Expired - Lifetime DE3873414T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE8700512A BE1000525A3 (en) 1987-05-12 1987-05-12 Threaded drilling rod screw joint - has conical male connector with generatrices inclined by less than 3 deg. and helical thread inclined by less than half that angle
BE8700513A BE1000526A3 (en) 1987-05-12 1987-05-12 Threaded drilling rod screw joint - has conical male connector with generatrices inclined by less than 3 deg. and helical thread inclined by less than half that angle

Publications (2)

Publication Number Publication Date
DE3873414D1 true DE3873414D1 (en) 1992-09-10
DE3873414T2 DE3873414T2 (en) 1993-02-04

Family

ID=25662276

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888870086T Expired - Lifetime DE3873414T2 (en) 1987-05-12 1988-05-11 SCREW CONNECTION FOR DRILL RODS.

Country Status (3)

Country Link
EP (1) EP0292464B1 (en)
DE (1) DE3873414T2 (en)
NO (1) NO177545C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5505502A (en) * 1993-06-09 1996-04-09 Shell Oil Company Multiple-seal underwater pipe-riser connector
DE4423805B4 (en) * 1994-07-06 2004-12-02 Voss Automotive Gmbh Connecting device for pressure lines
US5788401A (en) * 1996-12-24 1998-08-04 Boart Longyear International Holdings, Inc. Rod joint
DE19803304C5 (en) * 1997-05-29 2010-09-30 Boart Longyear Gmbh & Co. Kg Hartmetallwerkzeugfabrik Drill pipe for rotary impact drilling, in particular for overlay drilling
DE50309125D1 (en) 2003-03-13 2008-03-20 Behr Gmbh & Co Kg Electric heating device, in particular for a motor vehicle
DE202015104842U1 (en) 2015-09-11 2015-09-18 Sysbohr Gmbh - Bohrtechnik Für Den Spezialtiefbau Threaded connection and drill pipe with threaded connection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355192A (en) * 1965-08-09 1967-11-28 Drilco Oil Tools Inc Threaded connections
US4444421A (en) * 1980-11-12 1984-04-24 Varco International, Inc. Driveable pile connections
JPS58157087U (en) * 1982-04-16 1983-10-20 日本鋼管株式会社 Threaded joints for oil country pipes
FR2559580B1 (en) * 1984-02-10 1986-06-06 Vallourec METHOD FOR DETERMINING THE TIGHTENING TORQUE OF A TUBULAR JOINT COMPRISING A CONICAL THREAD AND A TIGHTENING LIMIT STOP, USEFUL IN THE OIL INDUSTRY AND DEVICES FOR CARRYING OUT THIS METHOD

Also Published As

Publication number Publication date
EP0292464B1 (en) 1992-08-05
NO882053L (en) 1988-11-14
DE3873414T2 (en) 1993-02-04
EP0292464A1 (en) 1988-11-23
NO882053D0 (en) 1988-05-11
NO177545B (en) 1995-06-26
NO177545C (en) 1995-10-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition